#pragma once
class CPoint2F
{
public:
	float m_x;
	float m_y;

public:
	CPoint2F(void);
	CPoint2F(const float x, const float y);
	~CPoint2F(void);
};

typedef CPoint2F CVector2F;

float InnerProduct(const CVector2F &a, const CVector2F &b);